/Engine/Source/Runtime/Engine/Classes/AI/Navigation/NavigationTypes.h
struct FNavigationProjectionWork
uint32:  1
bHintProjection2D
If set, projection function scoring will be biased for 2D work (e.g. in case of navmesh, findNearestPoly2D)
uint32:  1
bIsValid
If set, data in this structure is valid
uint32:  1
bResult
Result of projection function.
FNavLocation
OutLocation
Result point with nav Id
const FVector
Point
Source point
FBox
ProjectionLimit
Projection range